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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303 832.8106 <br />nteroffice MEMORANDUM <br />COLORADO <br />DI VISION OF <br />MIN SRALS <br />GEOLOGY <br />RECLA NATION•NINING <br />FAiETY•SCIFNCE <br />to: File, C-1980-001, Edna Mine, CDMR anlorrens <br /> image files: C-1980-001 Hydrolog~ cGVemor <br />from: Byron G. Walker, EPS L~ ussell George <br />R <br />subject: E~ <br />Review, July 2005 NPDES Discharge Monitoring Report (DMR), CDPS Per(iiS`tO1Ne Direcror <br /> 000032638 Ronald W. Canany <br /> <br />date: <br />September 2, 2005 Division Director <br />Natural Resource Trustee <br />ref: WWC Engineering letter of August 22, 2005 to CDPHE, Re: Edna Mine, July <br /> 2005 CPDS <br />The following checklist summarizes the results of the Colorado Division of Minerals and Geology's <br />(CDMG) review of the above-referenced DMRs. <br />A statement in the referenced letter is that DMP 004 and DMP 007 did not exceed any <br />compliance criteria. <br />Discharge Point Discharge <br /> DMR Re ort Division Observations <br /> <br />004 yes none <br />007 yes (average 0.28 and max 0.4 <br />MGD) yes (0.32 MGD on July 27, <br />2005) <br />Review Checklist for Discharge Monitoring Report (DMR) <br /> Requirement Requirement <br />Requirement citation complied with ? Comment <br /> ( es ! no <br /> The earlier of date of sample plus 90 <br /> days or same schedule as CDPS permit <br />1. Timely (28 days after close of the month, page <br /> <br />submittal of DMRs CDMG regulation <br />yeS 19) or July 28, 2005. Dates of sampling <br /> <br />to CDMG 4.05.13(2)(a)(iii) were not provided. The DMRs were <br /> received at the Division on August 24, <br /> 2005, under a WWC letter dated <br /> Au ust 24.2005. <br />2. Timely <br />reporting to CDMG <br />of any exceedances CDMG regulation <br />yea By exception, there were no <br /> <br />of efFluent 4.05.13 2 a u <br />O( )( ) exceedances. <br />limitations <br />3. Compliance <br />with Federal and <br />State water quality CDMG regulation <br />Yes <br />laws that pertain to 4.05.1(3) <br />discharges of <br /> <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />